With Halloween and DJ Destructo’s HARD Day Of The Dead party both going down next week, artist Matthew Goldman AKA MFG and jewelry-maker Han Cholo form a tripartite alliance releasing a this commemorative ring. This sterling silver piece is skull-shaped with Day of The Dead embellishments and HARD headphones. Unfortunately only four rings will be available to the public with a generous price tag of free.99. How you ask? Each of the four rings are hidden somewhere in Los Angeles with HARD is offering clues to each location via his twitter account here.